725660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2791}}^1$

素因数の和:2813

約数の個数: 24

約数和(自身を含む): 1641696

約数和(自身を除く): 916036

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2791, 5582, 11164, 13955, 27910, 36283, 55820, 72566, 145132, 181415, 362830, 725660]

約数ペア:

[(1, 725660), (2, 362830), (4, 181415), (5, 145132), (10, 72566), (13, 55820), (20, 36283), (26, 27910), (52, 13955), (65, 11164), (130, 5582), (260, 2791)]